Lamp



FIG. 1 is a top perspective view of a lamp in accordance with my design;

FIG. 2 is a left side elevational view of the lamp in accordance with my design, the right side being identical thereto;

FIG. 3 is a top plan view of the lamp in accordance with my design;

FIG. 4 is a bottom plan view of the lamp in accordance with my design; and,

FIG. 5 is a front elevational view of the lamp in accordance with my design, the rear side being identical thereto.

The broken lines show the environment in which the article is used and are not considered part of the design claimed. 

The ornamental design for the lamp, as shown and described. 